ar71xx: remove linux 4.9 support

[openwrt/staging/hauke.git] / target / linux / ar71xx / patches-4.9 / 461-spi-ath79-add-fast-flash-read.patch

diff --git a/target/linux/ar71xx/patches-4.9/461-spi-ath79-add-fast-flash-read.patch b/target/linux/ar71xx/patches-4.9/461-spi-ath79-add-fast-flash-read.patch
deleted file mode 100644 (file)
index 5c3583f..0000000
--- a/target/linux/ar71xx/patches-4.9/461-spi-ath79-add-fast-flash-read.patch
+++ /dev/null
@@ -1,60 +0,0 @@
---- a/drivers/spi/spi-ath79.c
-+++ b/drivers/spi/spi-ath79.c
-@@ -102,9 +102,6 @@ static void ath79_spi_enable(struct ath7
-       /* save CTRL register */
-       sp->reg_ctrl = ath79_spi_rr(sp, AR71XX_SPI_REG_CTRL);
-       sp->ioc_base = ath79_spi_rr(sp, AR71XX_SPI_REG_IOC);
--
--      /* TODO: setup speed? */
--      ath79_spi_wr(sp, AR71XX_SPI_REG_CTRL, 0x43);
- }
- 
- static void ath79_spi_disable(struct ath79_spi *sp)
-@@ -205,6 +202,38 @@ static u32 ath79_spi_txrx_mode0(struct s
-       return ath79_spi_rr(sp, AR71XX_SPI_REG_RDS);
- }
- 
-+static bool ath79_spi_flash_read_supported(struct spi_device *spi)
-+{
-+      if (spi->chip_select || gpio_is_valid(spi->cs_gpio))
-+              return false;
-+
-+      return true;
-+}
-+
-+static int ath79_spi_read_flash_data(struct spi_device *spi,
-+                                   struct spi_flash_read_message *msg)
-+{
-+      struct ath79_spi *sp = ath79_spidev_to_sp(spi);
-+
-+      if (msg->addr_width > 3)
-+              return -EOPNOTSUPP;
-+
-+      /* disable GPIO mode */
-+      ath79_spi_wr(sp, AR71XX_SPI_REG_FS, 0);
-+
-+      memcpy_fromio(msg->buf, sp->base + msg->from, msg->len);
-+
-+      /* enable GPIO mode */
-+      ath79_spi_wr(sp, AR71XX_SPI_REG_FS, AR71XX_SPI_FS_GPIO);
-+
-+      /* restore IOC register */
-+      ath79_spi_wr(sp, AR71XX_SPI_REG_IOC, sp->ioc_base);
-+
-+      msg->retlen = msg->len;
-+
-+      return 0;
-+}
-+
- static int ath79_spi_probe(struct platform_device *pdev)
- {
-       struct spi_master *master;
-@@ -234,6 +263,8 @@ static int ath79_spi_probe(struct platfo
-               master->num_chipselect = pdata->num_chipselect;
-               master->cs_gpios = pdata->cs_gpios;
-       }
-+      master->spi_flash_read = ath79_spi_read_flash_data;
-+      master->flash_read_supported = ath79_spi_flash_read_supported;
- 
-       sp->bitbang.master = master;
-       sp->bitbang.chipselect = ath79_spi_chipselect;